FIELD: chemistry.
SUBSTANCE: invention relates to making artificial stone and minerals. The crude mixture for making artificial stone contains the following components, wt %: red lead - 12-14; borax - 8-10; cobalt carbonate - 0.01-0.02; chalk - 4-6; barite - 4-6; rock crystal - the balance.
EFFECT: high water resistance of the artificial stone which imitates topaz.
1 tbl
| Title | Year | Author | Number |
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| CRUDE MIXTURE FOR MAKING ARTIFICIAL EMERALD | 2009 |
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